/Engine/Source/Runtime/SlateCore/Public/Widgets/SWidget.h
TSlateAttributeRef< FText, InInvalidationReasonValue >
template<typename InObjectType, EInvalidateWidgetReason InInvalidationReasonValue, typename InComparePredicate> struct TSlateAttributeRef : public [SlateAttributePrivate::TSlateMemberAttributeRef< TSlateAttribute< InObjectType, InInvalidationReasonValue, InComparePredicate > >](API\Runtime\SlateCore\Types\Attributes\TSlateMemberAttributeRef)